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M7.4 earthquake, Mexico, 1943-02-22

MagnitudeM7.4mw

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Depth20 km

Time (UTC)1943-02-22 09:20

Rank in 19439 / 113among M6+

Rank since 1900564 / 14,458

Energy vs an M6×126approx.

18 km SSW of Palos Blancos, Mexico · 17.40, -101.37

M6.5+ within 300 km (largest first)

1985 M8.0M8.0

1932 M7.8M7.8

1911 M7.6M7.6

1941 M7.6M7.6

1979 M7.6M7.6

1985 M7.6M7.6

2022 M7.6M7.6

1957 M7.6M7.6

1911 M7.5M7.5

1973 M7.5M7.5

1909 M7.5M7.5

1908 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.6 1941-04-15	1941-04-15 19:09	30 km	21 km ESE of Coalcomán de Vázquez Pallares, Mexico
M6.1 1938-06-28	1938-06-28 19:17	35 km	7 km W of Acapetlahuaya, Mexico
M6.5 1938-05-11	1938-05-11 14:44	20 km	71 km SSW of Papanoa, Mexico
M6.1 1937-10-06	1937-10-06 09:47	35 km	8 km S of Valle de Vázquez, Mexico
M6.8 1935-06-29	1935-06-29 06:48	25 km	20 km W of La Placita de Morelos, Mexico
M6.8 1934-01-28	1934-01-28 19:10	30 km	near the coast of Guerrero, Mexico
M6.4 1933-12-14	1933-12-14 07:16	30 km	6 km NE of Aquila, Mexico
M6.4 1933-07-10	1933-07-10 03:22	15 km	42 km WSW of La Placita de Morelos, Mexico
M6.7 1933-05-08	1933-05-08 10:33	30 km	14 km N of San Luis de La Loma, Mexico
M7.8 1932-06-18	1932-06-18 10:12	15 km	7 km E of Los Tepames, Mexico

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.